Plow, harrow, and other similar agricultural implement or machine



A. CORNELL.

PLOW, HARRW, AND OTHER SIMILAR AGRICULIURAL IMPLEMENT 0R MACHINE.

APPLICATION FILED SEPT. 6. 191s.

1,329,582. Patented Feb. 3,1920.

A. CORNELL. PLOW, NARROW, AND OIHER SlmlL/IH AGRICUL'IURAL IMPLEMENT 0R MACHIN-.

APPLICATION FILED SEPT. (A I9I8.

Paten-IMI m. 1920.

2 SHEETS-SHEET 2. C33

i,seasef.

Application filed September 6, '1518.

To all 'Lr/'tom may concern,

le it known that l, Anci-inn CORNELL, a subject oll the King or Great Britain, and resident oi Johannesburg, rlransvaal Province, Union of South Africa, have invented certain new and use'liul improvements fipplicable to Ploivs, Harrows, and other Siini lar ligricultural lmplements or Machines, of which the following' is a speciiiation.

The improvements constituting the press ent invention are applicable to ploivs, harrows, seed planters, cultivators, trenchers, and other similar agricultural implements or land Working machines which it is requisite to raise or lift from the operative or Worlring position on to Wheels, in order to place the same in the inoperative position lor transportation or other purposes.,

liniilernents or machines olf the kind referred to are equipped with Wheels or run ners which are adapted, firstly, to be raised in order to allovv the plow shares, cultivator or harroiv disks, et cetera., to assume their operative position in the ground, and, secondly, to bc lov-Iered in order (o) to place said shares, dislrs, et cetera, in their inopen ative position above the ground, in the event of any obstruction, such as large stones, roots, et cetera, being encountered in the `ground, and (h) to admit of the turn flingl of the implement or nnuhine in the,

head-lands or the ends of the irnroivs, et cetera, and (o) to facilitate the transportation olf the implement or nachiine from place torplace, when they serve the road or transport Wheels.

T he manipulation 03": the means whereby such wheels or runners are raised and lovfered and the implement or machine lifted, is in some cases effected entirely by hand, and in other cases by hand with the aid of the animal draft or othe" trartive power.

Non' the present invention appertains to an arrangement in which hand-operated means, in the one operation, releases the running' or transport Wheels from their elevated position and lowers them on to the ,around so that the draft power then lifts the machine on to the Wheels, the Wheels being tien automatically locked in that positon; and in the other operation unlocks the Wheels, thereby allowing the machine to assume the working position, the Wheels bethen lifted by hand into theirv raised poon, and automatically locked in that po- Specfication of Letters Eatent.

inn srarns rnrENT OFFICE LAB, .[iGRCl'ILl'lUF/lil IMPLEMENT 0R MACHINE.

Patented Feb. 3, 1920.

Serial No. 252,?55.

The object of the present invention is to devise a simple and effective arrangement or means whereby the said operations can be accomplished with ease and facility by the driver or operator from his seat on the irnpleinent or machine.

According to this invention I provide, nearer the rear end and at each side of the main iframe of the implement or machine, and in a suitable position in relation to the operators seat, a hanger or support. These hangers or supports revolubly carry a cranked or Ll-shaped member, which is,

placed transversely of or acrossv the main train @n one end of this crank or erin, and preferably at the inner side of the main, frame, there is loosely mounted a lever, (hereinafter referred to as the lifting lever), which is placed in suchl a position' that it can be easily reached and operated by the driver or person controllfng the implement orv machine, when he is in his seat. On one side oi the said crank or arm, and next the aforementioned lifting lever, there is formed or fired a sector or quadrant. At the rear ol the operating lever, there is carried by the main frame a pin or spindle, on which is loosely mounted a pavvl or locking piece. This pawl or locking piece operates as spring catch or det-ent, and is constructed with a projection which is adapted to engage with and lock the aforementioned sector or quadrant inthe two extreme positions ol the latter. The one extreme `pos",- tion is that assumed by the sector or quadrant when the machine is lifted into its in'- operative position and running on the trans port Wheels, and the other eXtreme position is that taken up by the sector or quadrant when they Wheels are raised and the machine is in Working position. A distance piece or collar, provided on the aforesaid pin or spindleq serves to keep the paivl or locking arm in its proper position in relation to the sector or quadrant.

To the lifting lever there is pivotally attached a further lever (hereinafter referred as the releasing lever) To the lifting lever, at the outer side of the setor or quadrant, there is pivotallvV attached a catch which is fashioned with a tooth or projection which is adapted to engage with a projection on the outer side, and near one end, oi the sector or ouadrant. The tooth of the catch engages with the projection on the sector or quadrant when the lifting lever is operated to move the crank or arm in a rearward direction in Order to raise the transport Wheels. rl`he paWl or locking;1 piece, as previously explained, engages with and locks the sector or quadrant in the position in which it is placed by the lifting lever when the Wheels are raised and the iniplement or machine lowered into Working position.

The catch which at one end is pivoted to the lifting lever and engages With the pro-- jection on the side of the sector or quadrant,

has pivotally attached to its other end one end of a link or connecting-rod7 which latter at its otl er end is pivotally attached to the releasinp` lever. The catch, near its point of connection to the link or connectingrod, is fashioned on the inner side With a projection which is adapted to raise the patvl or locking piece in order to disengage the latter from the sector or quadrant in either ol* the two extreme positions oi the latter.

The running` or transport Wheels are ro tatahly carried by arms attached to the ends o'f a shaft, which latter, at or about the center oi"- its length and between the rear ends or the longitudinal or side members of the nain traine, is fashioned with a crank. rllhis crank shaft is located in the 'frame at the rear of the crank or arin oi the lifting and releasing; arrangement.

The aforementioned rank shaft and crank or lll-shaped members are copera tively connected hy means of a conneoting'- rod.

To render positive the lit-tingl ot the niachine or implement on to the road or transi port Wheels, when the latter are lowered7 means are provided which engage with the said Wheels after they have lowered', said being; such that th wheels cannot revolve Without raising or lifting the :trame7 and placing those elen'ient` which operate in the ground in their inoperative position above ground. The aforesaid means are so designed that they automati cally disene'age the Wheels when the niachine or implement has Iloeen raised into the said position. n. suitable 'torni of such means consists, preferably 'for each of the road Whe-asl ot an appropriately shaped depending: arm attached to one end ol1 a shaft journaled in hearings provided on the main frame; the said parts inajv he combined with a counter-balancing Weight and a steadyingv spring. operating at opposite sides ot the shaft. rlfhe Wheels are provided With pro-- jections on or near the periphery for the depending` arms to engage With. These arrangements are preteraloly so designed that the depending arms can Worlr independenti);T of each other. l

The aforementioned depending arms nia-7 he utilized as part of a brake arrangementadapted to coperate with the road Wheels nfhen die machine or implement is running on the latter. To this end the said levers may be fitted With brake blocks of Wood or other suitable materia. ln order to apply the aralre, means are provided tor siinultanf ously bringing the bra re blocks int tional engagement. with both wheels. nfhis may be ei'l'ectfl Foy'v means of a shaft mounted across the bach or' the inain traine and having fixed thereon near one end an operating,` lever, the shaft both ends being; lient downward or havino cranl; and a projection at the end of the crank, Vwhich projections each engage a cra-nl; or arm lined on one of the shafts carryin' the depending' air-ins. The brake operating` lev i' is placed within eas;y reach of the operator or driver o'l" the machine or implement W ien he is oceupying` his seat thereon.

les Will he understood the lifting oi the machine or implement on to the road or 'transport wheels is edected by the draft or other tractive power. The loweringl of the wheels to engage with theV depending arms of the lifting means is eiected hy hand, Ly operating the releasing` lever; and the liftingi ot the 1wheels into their 'aised and inoperative position is also eiifected by hand hy means oi' the lifting lever. v

ln the accompanying; drawings a dish cultiifator is illustrated embodying the invention in the preferred forni. and the invention will le further explained With the aid et such drawings.

le l represents the implement oi inachinc side elevation. and

Fig. 2 represents it in plan.

3 is an elevay ion of t ie implement or machine as se iron; the hach, and

fricmorini.; i

Fig. el a side view oit' certain portions 't th l 'Sti ef png and locking means e cnltivator i or the iframe i fle; Q, and attached "on oi3 the main traine l. Le f'iaine support the hearino's a or tht 5, on the ends or" which are iiii f n which provide or cai-rif the an: ie i l@sport wheels 7,78. 9, l0 are the N front eels9 and ll. the

Various parts or l' J the niediuin of said front eels 9, l0, l? tl e 'lier the one ator secured on the reni end of the main frame l.

These Various parts nia; he oi struction sho-Wn, or anv other sul as the parts are identical Jfor both ot' said wheels. 43, le are two brackets, suitably iXed to the main iramefiior rotatably supporting the shaft d5. 46 is the depending; arm fixed upon the outer end of the shalt 4:5. This arm is shown constructed ot two s1 A'iilarly shaped parallel plates or pieces which are maintained apart at the requisite distance by means oi one or more distance pieces, one Ll? of which is represented as a tubular piece placed around the end oi the shaift between the two parallel plates constituting the depending arm. is a tubular distance piece on the shaft 4:5 between the depending` arm lo and the hraclret 4.3, to keep the arm in position. iiS is the hralre hloclr ot wood or other suitable material, which is placed between the two parallell plates in such a position that it can he brought into frictional engagement rith the periphery oi the wheel 8.

4149 are suitably shaped pieces or parts which are iixed around the periphery of the wheel S and arovide projections; extending outwardly from both sides of the rim or telly portion of the wheel These parte i9 are shown constructed of pieces of l.. shape in cross section, cut awayV or shaped to lit down the sides oi the ielliee or rim portion of the wheel to Yterm the outwardly extending projections at both sides of the wheel, and at the same time provide across the tread or periphery of the wheel projecting parte or pieces which operate to prevent the wheel from slridding or slipping when it is lowered into contact with the ground.

is will he readily understood on reference to the drawings-see Fig. 2-the distance hetwcen the plates 'forming the arm ll slightly Vexceeds the width oi the telly portion oi the wheel structure, so that the one plate will engage with any one of the projections provided on the wheel at the one side hy the pieces 4:9., and the other plate with any one of the projections formed at the other side hy the said pieces 49 in order to allowthe wheels 7, S, through the medium oi1 the pieces i9 to li'it the body or trame oi the machine or implement the requisite height.

T he manner in which the depending arm engages with the lateral or side projections formed hy the pieces e9 is indicated in 1, in which portion of the wheel 8 is represented in dotted lines at 50 in the position it would assume relative to the depending; arm do, when lowered. The lower end ot the latter is shown engaging with the projections formed by one of the pieces 49. The lower ends of the two plates et the arm lo are recessed or made slightly concave and rounded so that as the wheel continues to revolve they will readily readily slip oft or out ci engagement with the pieced) after the machine or implement has been raised structure.

on the wheels 7, 8. After disengaging the piece i9 the arm el@ is constrained to swing in a rearward direction, and then assumes such a position that the brake 1oloclr @i8 can he brought into Contact with the periphery of the wheel 8 without the ends out the plates of the arm #i6 coming into Contact with the lateral projections :termed hy the pieces il-9 the. wheel 8 having moved rearwardly suiiicient to permit ot this. Theplates of the arm il@ will now slide over the pieces i9 and serre to guide the brake-block i8 over said pieces i9 and allow them to come into contact with the remaining portion oi the wheel 8, when the brake gear, hereinafter described, is operated.

As each the dependir-.g` arms lo cooperates with its wheel independently or the other arm and its wheel, it will he readily perceived that therliiting of the machine into the inoperative position will be cc1ninenced hy that wheel whose projections i9 iirst engage its depending,` arm, the other engaging during; the operation oi littin` and assisting,- therein.

5l is a lever lined on the other and inner end oit the shaft L5 and 5:2 a counterhalance weight, provided on one end ot said lever 5l :for maintaining the depending arn" i6 in its proper forwardly inclined position to engage with the lateral projections iormed hy the pieces 49. The other and inwardly projecting,` arm of lever 5l has attached to it one end of a steadyingspring 53, the other end of which is fixed to the main irame, as indicated at 5ft. rThe provision oi the spring 53 insures and maintains proper engage ment or' the projections Li9 with the depending arm 45 by absorbing the concussion and preventing the latter from glancing or being deflected off the ormer when they first engage each other, while at the aine time permitting` of the due disengagement of the same atter the machine has been lifted on to the road wheels.

55 is the shaft oil the brake arrangement mounted across the back of the main traine 1, and 56, 57 hearings in which said shaft 55 is journaled. 58 is the brake operating lever lined upon and near one end ot the sha'l't 55 and havingat its upper end a handle in a position readily accessible to the driver or operator or the machine when he is in occupation or the seat l2. 59 is the downwardly bent portion or cranl: of the end of the shaft 55, and 60 is the inwardly directed projection. at the end of the crank 59, which project-ion engages with a crank or arm 6l on the shait 55, when the lever 58 is operated to apply the brake. (S2 is the downwardly lient portion or crank of the other of the shaft 55, and 63 the inwardly directed projection at the end of said crank 62. The projection 63 engages with a crank or arm Gl (similar to the iso crank or arm 61) which is fixed on the other shaft a5, when the lever 58 is operated to apply the brake.

[is will be understood from the preceding description the brake arrangement is employed for controlling or arresting the movement of the machine or implement when it is traveling on the road or transport wheels 7, 8. This is eiiected by moving the lever 58 in a forward direction. This movement causes the projections GO, to move the cranks or arms 6l, 651, rearwardly, which, by rotating the shafts a5, brings the brake blocks t8 oi' the depending arms 46 into contact with the peripheries of the wheels 7, 8.

What l claim as my invention, and desire to protect by Letters Patent is l. In agricultural implements or landworking machines, in combination a iframe, cranked member upon which said frame is mounted, wheels mounted upon said cranked member and carrying the frame, a combined cranked member and quadrant, means connecting said combined cranked member and quadrant and the lirstanentioned cranked member, a lifting or lowering lever cooperating with the combined cranked member and quadrant to raise or lower the wheels, a releasing lever cooperating with said lifting lever and the quadrant, a catch operated by said releasing lever and cooperating with the quadrant which serves to automatically lock the combined cranked member and quadrant in predetermined positions, projecting pieces on the wheels and members attached to the frame and adapted to engage said projecting` pieces when the wheels are rotated in order to lift the frame on the wheels.

In agricultural implements or landworking machines, in combination a -trame, a cranked member upon which said frame is mounted, Wheels mounted upon said cranked member and carrying the frame, a combined cranked member and quadrant, means connecting said combined cranked member and quadrant and the nist-mentioned cranked member, a lift-ing or lowering lever cooperating with the combined cranked member and quadrant to raise or lower the Wheels, a releasing leverl coperating with said lifting lever and the quadrant, a catch operated by said releasing lever and cooperating with the quadrant which serves to automatically lock the combined cranked member and quadrant in predetermined positions, projecting pieces on the wheels and members attached to the iframe and adapted to engage said projecting pieces when the wheels are rotated in order to lii't the f'ame on the wheels, and spring and counterweight means which serve to keep said last mentioned members in engagement with the wheels.

ln testimony whereof l have signed my name to this speciiication in the presence of two subscribing witnesses.

ARCHER GQRNELL.

Witnesses CHAs. OVENDALE, J. PLEIN. 

